Daily Brain Teaser for the Curious
Daily Brain Teaser for the Curious!
We are launching a new feature on the school website — “Question of the Day”!
Every day, you’ll find a fun and engaging challenge in physics, chemistry, or math — and sometimes a biology question or a small psychology quiz.
It’s not just about knowledge — it’s about thinking, exploring, and enjoying the process!

Today’s question:
🔍Francium is an alkali metal, it belongs to group I of the Periodic Table, like lithium, sodium, potassium and others. All metals in this group form oxides with a similar formula. Can you guess what the formula of francium oxide is?